@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{color-scheme:light;--navy:#182c43;--ink:#223348;--muted:#586575;--line:#d8dfe5;--paper:#fff;--canvas:#f5f7f9;--yellow:#f3d566;--font:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;--latin:'Space Grotesk',var(--font)}
*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:var(--font);font-size:1rem;line-height:1.7;-webkit-font-smoothing:antialiased}::selection{background:var(--yellow);color:var(--navy)}a{color:inherit;text-decoration:none;text-underline-offset:5px}a:hover{text-decoration:underline}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ad7400;outline-offset:5px}input{accent-color:var(--navy);caret-color:var(--navy)}[hidden]{display:none!important}svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.skip{position:fixed;top:-70px;left:16px;z-index:5;padding:10px 18px;background:var(--yellow)}.skip:focus{top:12px}.site-header{max-width:1280px;padding:26px 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24px;display:flex;align-items:baseline;justify-content:space-between;gap:12px}.price{margin:0;font-family:var(--latin);font-size:3.6rem;letter-spacing:-.04em;font-weight:600;line-height:1.2;font-variant-numeric:tabular-nums}.currency{font-size:1.6rem;margin-right:5px;vertical-align:8px}.price-unit{font-family:var(--font);font-weight:400;font-size:.875rem;letter-spacing:normal;color:var(--muted)}.quantity{color:var(--muted);font-size:.8125rem;white-space:nowrap}.specs{margin:0 28px;padding:20px 0;border-block:1px dashed #c9d2da;font-size:.875rem;display:grid;gap:10px}.specs div{display:flex;justify-content:space-between;gap:16px}.specs dt{color:var(--muted)}.specs dd{margin:0;font-weight:500;text-align:right}.checkout-area{padding:22px 28px 20px}.agreement{display:flex;align-items:flex-start;gap:10px;font-size:.8125rem;line-height:1.65;color:var(--muted);cursor:pointer;margin-bottom:18px}.agreement input{width:17px;height:17px;margin:3px 0 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var(--line)}.steps{list-style:none;padding:0;margin:26px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.steps li{display:flex;gap:18px}.steps li+li{border-left:1px solid var(--line);padding-left:30px}.step-number{font-family:var(--latin);font-size:1.125rem;line-height:1.7;color:#65778a;font-variant-numeric:tabular-nums}.steps h3{font-size:1rem;margin:0 0 6px;font-weight:500}.steps p{font-size:.875rem;color:var(--muted);line-height:1.85;margin:0}.purchase-notes{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.65fr;gap:40px;padding:42px 0 64px}.purchase-notes>div>p{color:var(--muted);font-size:.875rem;margin:9px 0 0}.questions details{border-bottom:1px solid var(--line)}.questions details:first-child summary{padding-top:0}.questions summary{cursor:pointer;font-size:.9375rem;font-weight:500;padding:18px 26px 18px 0;list-style:none;position:relative}.questions summary::-webkit-details-marker{display:none}.questions 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15px;text-wrap:balance}.secondary-intro>p{color:var(--muted);margin:0}.utility-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:76px;margin-top:45px}.utility-panel{background:white;border:1px solid var(--line);border-radius:14px;padding:32px}.utility-icon{width:45px;height:45px;margin-bottom:16px}.utility-panel h2,.utility-aside h2,.guide-list h2{font-size:1.125rem;font-weight:600;margin:0 0 12px}.utility-panel>p:not(.checkout-note),.utility-aside p,.utility-aside li,.guide-list p{color:var(--muted);font-size:.9375rem;line-height:1.9}.utility-panel>.primary-button{margin-top:26px}.utility-aside{padding-top:12px}.utility-aside ul{padding-left:20px;margin:12px 0 24px}.utility-aside li{padding-left:5px;margin-bottom:8px}.utility-aside a{font-size:.875rem;font-weight:500}.utility-aside hr{border:0;border-top:1px solid var(--line);margin:30px 0}.guide-list{list-style:none;margin:0;padding:0}.guide-list li{display:flex;gap:22px;padding:0 0 25px;margin-bottom:24px;border-bottom:1px 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